Fender Tube Amp Serial Number Guide

Whether you’ve just inherited a tweed Champ from your grandfather’s basement or you spotted a blackface Deluxe Reverb at a yard sale and want to know what it is before the seller realizes too, this guide will get you to the answer. Dating a Fender tube amp is not the same as dating a Fender guitar. Fender never maintained complete amplifier serial-number records, so the year is almost never readable from the serial number alone. The real evidence lives on the tube chart inside the cabinet, on the transformer bell ends, on the speaker frame, and on the chassis stampings—and that’s where we’ll spend our time.

This guide covers every Fender tube amp produced from the company’s founding in 1946 through the current production year, with detailed sections on each era’s identification methodology, original speaker complements, common circuit variations, and a market-value reference based on 2026 Reverb data. If you only need a quick year estimate from a serial number, the official Fender serial number lookup tool may suffice. If you want to know what your amp actually is—its circuit, originality, value, and history—keep reading.

How to find your serial number and date codes

Before you can date an amp, you need to find the markings. Fender’s marking conventions changed every time the company changed hands or rebuilt its production lines. The location depends entirely on when the amp was built.

Tweed era (1946–1960)

On tweed-era amps, the tube chart sticker is the primary dating reference. It lives on the inside of the cabinet, either glued to the back panel above the chassis or sometimes inside the bottom panel. The sticker shows the model number, schematic revision, and a two-letter date code stamped in ink. Many tweed-era charts have darkened with age and tobacco smoke to the point of being barely legible—a strong flashlight at a low angle often reveals what looks like a blank label. The chassis itself usually carries no serial number until the late 1950s, when Fender began stamping or hand-writing numbers on the chassis lip near the power transformer.

Brown and blonde era (1960–1963)

The transitional brown and blonde Tolex amps continued the tube-chart tradition but added more reliable chassis serial numbering. The serial is typically stamped on the rear chassis lip or on a small plate riveted to the chassis. Tube chart date codes remained in the same two-letter format. Transformer codes—stamped on the bell ends in a six-digit EIA format—become a critical cross-reference here, especially when tube charts have been lost during recover or service.

Blackface era (1963–1968)

Blackface amps have the most consistent and accessible markings of any pre-modern era. Look for:

• A tube chart sticker on the inside of the cabinet (above the chassis or on the back panel) with model code and two-letter date stamp
• A chassis-stamped serial number on the rear chassis lip
• Transformer codes stamped on the bell ends of both the power and output transformers
• Speaker date codes stamped or hand-written on the speaker frame near the basket

Cross-referencing all four data points produces a confident date and confirms originality—if the transformer is dated 1965, the speaker is dated 1965, the tube chart is dated 1965, and the chassis stamp falls in the appropriate serial range, you have an original 1965 amp.

Silverface era (1968–1981)

Silverface chassis carry stamped serial numbers in the same location as blackface units. The tube chart system continued through 1972, after which Fender simplified to a paper sticker with a printed model and revision. Transformer and speaker date codes remain the most reliable cross-reference. CBS-era inconsistencies mean you may find a 1969 chassis paired with a 1970 transformer and a 1968 speaker—not unusual on the assembly line, but worth noting if you’re considering whether the amp is “all-original.”

Modern era (1981–present)

From the early 1980s onward Fender adopted a black-and-silver QA inspection sticker applied to the rear panel or chassis. This sticker carries the modern letter-prefix serial number (CR, LO, AB, etc.) along with a date code that, decoded correctly, gives you the exact production year. Modern Fender amps are usually the easiest to date precisely—we’ll walk through the letter system in the next section.

Modern Fender amp dating (1990–present)

If your amp has a black-and-silver QA sticker with a two- or three-letter prefix followed by digits, you have a modern Fender amp built since the early 1990s, and you can date it to the exact year using the letter system. This is the easy case.

Single-letter prefix years (1990–2000)

The first decade of the modern system used single letters: A = 1990, B = 1991, C = 1992, D = 1993, E = 1994, F = 1995, G = 1996, H = 1997, I = 1998, J = 1999, K = 2000 (transitional year, both K and L appear).

Two-letter prefixes from 2001 onward

From roughly 2001 onward Fender shifted to two-letter prefixes. CR is one of the most commonly seen prefixes and indicates Custom Shop or Custom production runs. LO appears on early-2000s amps. Prefixes like AB, AC, AD and similar combinations correspond to production years in the 2010s and 2020s. Because Fender has not published a comprehensive public chart of every two-letter prefix, the most reliable way to date a modern Fender amp with a two-letter prefix is to cross-reference the serial number against Fender’s official lookup tool, which returns a date range that you can then narrow further using the inspection sticker date or any service-record paperwork.

Country-of-origin prefixes

Some prefixes encode where the amp was manufactured rather than (or in addition to) the year. M-prefix often indicates Mexican production. J- or specific Japanese-market codes indicate Japan-built units. CN or similar prefixes have appeared on Chinese-built models. The country prefix matters for collectors and for value—an Ensenada-built Hot Rod Deluxe is not the same product as a Corona-built Deluxe Reverb Reissue, even when the model name is similar. Read the sticker carefully and don’t assume the prefix is purely a date code.

Pre-1990 Fender amp dating methodology

Now we enter the part where amateur internet wisdom often goes wrong and where Greg Gagliano’s original research becomes essential. Fender never kept comprehensive serial-number-to-production-date records for amplifiers before the 1990s. The company stamped chassis sequentially as units came down the line, but the records linking serial number to date were either never created or were destroyed long ago. This means that the serial number alone on a pre-1990 Fender amp is not a reliable date source. What works is cross-referencing the tube chart date code, the transformer date stamps, the speaker codes, and the cosmetic features of the chassis and cabinet.

What you need to date a pre-1990 Fender amp

Before you start, gather these data points (you’ll need at least three of them):

1. The model name and number on the tube chart (e.g., “AB763 Deluxe Reverb”)
2. The two-letter date code on the tube chart
3. The transformer codes stamped on the bell ends of both power and output transformers
4. The speaker date codes on the speaker frames (if speakers appear original)
5. The cosmetic features: control panel labeling, knob style, grille cloth pattern, Tolex color and texture

The tube chart date code system

From roughly 1953 through 1972, Fender stamped tube charts with a two-letter date code where the first letter indicates the year and the second indicates the month. The year letters cycled through the alphabet starting roughly with A representing 1951–1953 (depending on which Fender historian you consult) and advancing one letter per year. The month letters were simpler: A through L for January through December.

So a tube chart stamped “OD” would translate to year O (which lands in the mid-1960s depending on the cycle reference) and month D (April). Cross-referencing the year letter to other evidence on the amp—Tolex era, transformer codes, control panel design—lets you fix the exact year confidently. Greg Gagliano’s research established the modern consensus mapping of year-letters to actual production years, and that mapping is what every reliable vintage Fender database uses today.

The OA / OB tube chart anomaly

One of the most famous quirks in Fender amp dating is the January 1966 “OA” and “OB” tube chart sequence. For about a six-week period in early 1966, a batch of tube chart printers used the wrong color ink (often described as green or olive instead of the standard) and the stamps came out reading “OA” and “OB” instead of the expected “PA” and “PB.” This is a real factory error, not a forgery indicator. Amps with these stamps are not rare enough to command a premium on their own, but they are an interesting footnote that lets you place the amp’s production to within a few weeks.

Transformer date codes

When the tube chart is missing, illegible, or appears to be a replacement, transformer date codes become the next best evidence. Both the power transformer and the output transformer carry six-digit EIA-format stamps on the bell end. The first three digits identify the manufacturer (606 = Schumacher, 022 = Triad, 125 = others); the remaining digits encode the year and week of manufacture. A power transformer dated “606-746” was made by Schumacher in week 46 of 1967 (or 1957—the EIA system reuses the third digit for the decade and you cross-reference against amp era to disambiguate). Cross-checking both transformers against each other and against the speaker codes builds a confident date when no tube chart is available.

Pre-CBS versus CBS control panels

One of the easiest visual dating clues is the control panel script. Pre-CBS Fender amps (before the company’s January 1965 sale to CBS) carry the legend “Fender Electric Instrument Co.” on the panel. Post-CBS amps switched to “Fender Musical Instruments” as the parent company name changed. Pre-CBS examples typically command higher collector premiums because of perceived build quality differences. The script transition happened during 1965, and you’ll find some 1965-produced amps with leftover pre-CBS panels and some early CBS-era panels appearing on late 1964 chassis. Cross-reference always.

Identifying your amp’s circuit

The serial number tells you when. The circuit designation tells you what. A 1965 Deluxe Reverb is a “Deluxe Reverb,” but more specifically it’s an “AB763 Deluxe Reverb,” and that AB763 designation is what every player and collector actually cares about. Two amps from the same year can have different circuits if Fender revised the design mid-year, and a single circuit designation often spans multiple years and even cosmetic eras.

Tweed era circuits (5C, 5D, 5E, 5F, 5G prefixes)

Tweed-era circuit designations start with “5” followed by a letter and the model number (5E3 Deluxe, 5F1 Champ, 5F6-A Bassman, 5F8-A Twin). The letter denotes the revision level. The famously coveted 5F6-A Bassman from 1958–1960 is the basis of the original Marshall JTM45 and arguably the most influential single Fender amp circuit ever produced.

Brown and blonde era circuits (6G prefixes)

The brown and blonde Tolex amps used 6G-prefix circuit designations. The 6G3 Deluxe, 6G14 Concert, 6G16 Vibroverb, and 6G15 Reverb Unit are key references. These circuits often feature unique features like bias-modulated tremolo, which gives brown-era amps a distinctive throb that neither tweed nor blackface amps replicate.

Blackface era — the AB763 and its variants

The blackface era is dominated by the AB763 circuit family. Most blackface Deluxe Reverbs, Princeton Reverbs, Vibrolux Reverbs, Super Reverbs, Pro Reverbs, Twin Reverbs, and the Bandmaster Reverb share an AB763 circuit topology with model-specific component values. The AB763 is the reference point against which all subsequent Fender circuits are compared and the design that most reissues attempt to recreate. Variants exist: the AA763 was a slightly earlier revision; the AB868 appeared on some later silverface units; the AA864 was the standard non-reverb blackface Twin. The tube chart’s circuit designation tells you exactly which variant you have.

Silverface era — AB763 versus AC568 versus CBS-era modifications

Early silverface amps (1968 through about 1970) often retained the AB763 circuit under the new silver cosmetic panel—same amp, different paint. This is the holy grail of silverface buying: an early silverface unit with the original AB763 circuit, often available at a fraction of the cost of a blackface unit despite being functionally identical.

From 1970–1972, Fender introduced the AC568 and related circuit revisions, which moved away from the AB763 design with adjustments to bias, tone stack values, and negative feedback. Many vintage tech shops will “blackface” a 1970s silverface amp by reverting the AC568 changes to AB763 specifications. This is a reversible modification that significantly affects tone and value—an AB763-converted silverface is typically worth more than an unmolested AC568 unit, but a genuinely original silverface with intact AB763 circuit is worth more than a converted one.

How to identify your circuit without removing the chassis

The tube chart names the circuit directly: look for the “AB763” or similar designation printed on the chart. If the tube chart is missing or replaced, you can sometimes identify the circuit from the rear of the chassis through visual inspection of component layouts, but this requires familiarity with the specific model. When in doubt, ask a qualified amp technician to confirm before buying.

Original speakers by model and era

Original speakers matter for two reasons: tone and value. A 1965 Deluxe Reverb with original Jensen C12N speaker can be worth significantly more than the same amp with a 1980s replacement speaker, and the original Jensen contributes meaningfully to the amp’s voice. Knowing which speakers Fender originally fitted helps you assess what you have and what to look for if you want to restore originality.

The speakers Fender used

Jensen was Fender’s primary speaker supplier through the tweed and early blackface eras. Jensen models like the P10R, P12R, C10N, C12N, P15N, and C15N appear on most pre-1965 Fender amps. Jensen production quality declined through the late 1960s and Fender shifted to alternative suppliers as a result.

Oxford became a major supplier starting in the early 1960s and dominated mid-to-late blackface and silverface production. Oxford models like the 10J4, 10L5, 12L6, and 12T6 are commonly found in blackface Deluxe Reverbs, Princeton Reverbs, and silverface units.

JBL appeared as a high-end option on Twin Reverbs, Showmans, and certain Pro Reverbs. JBL D120F and D130F speakers are sought-after for their bright, articulate voice and substantial premium over standard speakers.

CTS, Utah, Eminence, and Rola filled out the silverface and early modern eras. CTS Alnico and Ceramic speakers appear on many late silverface units; Utah was a budget option on student amps; Eminence has been a consistent supplier from the 1970s onward.

The speaker code system

All major US speaker manufacturers stamped date codes on their speaker frames using a six-digit EIA format similar to transformer codes. The first three digits identify the manufacturer: 220 = Jensen, 465 = Oxford, 137 = CTS, 328 = Utah, 67 = Eminence, 285 = Rola, 391 = Magnavox. The remaining digits encode the year and week of manufacture. So a Jensen speaker stamped “220-720” was made by Jensen in week 20 of 1967 (or 1957—again, cross-reference with the amp era to disambiguate decade). Original speakers should date within a few months of the rest of the amp’s components; speakers dated significantly later than the chassis indicate a replacement.

Speaker reference chart

The table below summarizes the original speaker complement Fender shipped on major amp models across the main production eras. This reference is built on Gagliano’s original speaker chart and updated with subsequent research and corrections from the vintage Fender community.

Model	Era / Configuration	Original Speaker(s)
Bandmaster	Tweed (1953–1960)	3× Jensen P10R
Bandmaster	Brown / Blonde (1960–1963)	2× Oxford 12L6 or Jensen C12N
Bassman	Tweed 5F6-A (1958–1960)	4× Jensen P10R
Bassman	Piggyback Blackface (1964–1967)	2× Jensen C12N (cabinet)
Bassman 50/70/100	Silverface (1969–1980)	Various; often Oxford or CTS in cabinet
Champ	Tweed 5F1 (1955–1964)	1× 8″ Oxford or Jensen
Champ	Blackface / Silverface (1964–1982)	1× 8″ Oxford 8EV
Vibro Champ	Blackface / Silverface (1964–1982)	1× 8″ Oxford 8EV or Eminence
Concert	Brown / Blonde (1960–1963)	4× Jensen P10R
Deluxe	Tweed 5E3 (1955–1960)	1× 12″ Jensen P12R or P12Q
Deluxe	Brown / Blonde 6G3 (1961–1963)	1× 12″ Jensen C12N or Oxford 12L6
Deluxe Reverb	Blackface AB763 (1963–1967)	1× 12″ Jensen C12N or Oxford 12K5
Deluxe Reverb	Silverface (1968–1981)	1× 12″ Oxford 12T6 or Utah
Harvard	Tweed / Brown (1955–1963)	1× 10″ Jensen P10R
Princeton	Tweed 5F2-A (1956–1961)	1× 8″ Jensen P8T or Oxford
Princeton	Blackface AA964 (1963–1967)	1× 10″ Oxford 10J4 or Jensen C10R
Princeton Reverb	Blackface AA1164 (1964–1967)	1× 10″ Oxford 10J4 or Jensen C10R
Princeton Reverb	Silverface (1968–1982)	1× 10″ Oxford 10L5 or CTS
Pro	Tweed 5E5 (1955–1960)	1× 15″ Jensen P15N
Pro Reverb	Blackface AB763 (1965–1967)	2× 12″ Jensen C12N or Oxford 12L6
Pro Reverb	Silverface (1968–1980)	2× 12″ Oxford or CTS
Showman	Blonde / Blackface (1961–1969)	External cabinet (1×15 or 2×15), JBL D130F or Jensen
Super	Tweed 5F4 (1955–1960)	2× 10″ Jensen P10R
Super Reverb	Blackface AB763 (1963–1967)	4× 10″ Jensen P10R or CTS Alnico
Super Reverb	Silverface (1968–1981)	4× 10″ CTS Alnico or Oxford
Tremolux	Piggyback Blackface (1962–1966)	2× 10″ Jensen P10R (cabinet)
Twin	Tweed 5F8-A (1958–1960)	2× 12″ Jensen P12N
Twin Reverb	Blackface AB763 (1963–1967)	2× 12″ Jensen C12N, JBL D120F optional
Twin Reverb	Silverface (1968–1981)	2× 12″ Oxford 12T6, JBL D120F optional
Vibrolux Reverb	Blackface AB763 (1964–1967)	2× 10″ Jensen C10N or Oxford 10L5
Vibrolux Reverb	Silverface (1968–1981)	2× 10″ Oxford or CTS
Vibroverb	Brown 6G16 (1963 only)	1× 15″ Jensen C15N
Vibroverb	Blackface AB763 (1964 only)	2× 10″ Jensen P10Q

Speaker replacement and reconing

Original speakers in playable condition command a meaningful premium. A reconed original speaker—where the frame and magnet are original but the cone and surround have been replaced—falls somewhere between original and replacement in value. A reconed speaker is mechanically equivalent to a new one in many ways but loses the originality premium. Honest sellers disclose recone status; if the speaker frame shows obvious rework around the surround or the dust cap looks freshly glued, ask the question.

CBS-era quality control issues (1966–1985)

Fender was sold to CBS in January 1965. Long-time Fender owners and players will tell you that quality declined immediately and steadily through the late 1960s and 1970s, reaching a nadir around 1979 before Bill Schultz’s leadership team began the recovery that culminated in the post-1985 buyout era. The reality is more nuanced than the cartoon version, but the broad pattern is real, and there are specific things to watch for when shopping CBS-era amps.

The “Division of CBS” misprint

For roughly the first year after the CBS acquisition, some Fender amps shipped with a control panel reading “Fender Musical Instruments, A Division of Columbia Records” rather than the standard “Division of CBS.” This was a brief misprint during the corporate transition. These panels are not particularly rare but are an interesting transitional marker.

Component shortcuts

From roughly 1968 onward, CBS-era manufacturing introduced cost-saving changes that affected tone and reliability. Watch for parallel ceramic caps replacing higher-quality film capacitors in tone-stack positions; chocolate-drop disc capacitors in coupling positions where Mylar or paper-in-oil had been standard; cathode bias circuit modifications on some 1970s units (the AC568 changes mentioned earlier); lower-quality transformer steel appearing intermittently on early-1970s output transformers.

Documented factory wiring errors

CBS-era assembly produced a number of recurring factory errors that have become identification clues. The most famous is the “humming Princeton Reverb” issue from certain 1972–1974 production runs, where heater wiring routing produced excessive AC hum that no amount of cap replacement fully resolves without re-routing. Some silverface Twin Reverbs from the same period have tremolo circuits wired with incorrect resistor values that produce a sluggish, weak tremolo effect compared to blackface units. These are not modifications—they are how the amp left the factory.

When CBS-era is still excellent

Early CBS-era amps—particularly 1965 and 1966 units assembled using leftover pre-CBS parts inventory—are often functionally indistinguishable from late pre-CBS production. A 1966 Deluxe Reverb with AB763 tube chart, blackface cosmetics, and pre-CBS-era transformers and speakers is the same amp as a 1964 unit in every meaningful sense. Don’t write off CBS-era automatically; look at what specifically is in the box.

Market value reference by era

Fender amp values move with the broader vintage gear market and have generally trended upward over the past two decades. The ranges below reflect 2026 retail prices for amps in good-to-excellent condition with original major components. Mint-condition examples can command 20–40% above these ranges; project-grade amps with significant non-original parts trade for 30–50% below. Always cross-reference recent Reverb sold listings before buying or selling.

Value determinants

Four factors drive vintage Fender amp value, roughly in order of importance: originality of major components (chassis, transformers, speakers); cosmetic condition (Tolex, grille cloth, knobs, handle, logo); working condition (caps replaced or not, tubes biased correctly, no hum or noise); rarity of the specific year and configuration.

Approximate value ranges (2026)

Tweed era originals: a tweed Champ in good condition typically ranges $2,000–4,000; a tweed Deluxe 5E3 ranges $4,000–8,000; a tweed Bassman 5F6-A ranges $8,000–18,000; tweed Twin and Super examples can reach $12,000–25,000 for clean originals.

Brown and blonde era: a brown Deluxe ranges $3,000–6,000; a blonde Bandmaster $4,000–8,000; the rare 1963 Vibroverb 6G16 commands $10,000–20,000 depending on condition.

Blackface era: a Princeton Reverb in good condition ranges $1,800–3,500; a Deluxe Reverb $2,500–5,000; a Vibrolux Reverb $2,000–4,000; a Super Reverb $2,500–5,500; a Twin Reverb $1,800–3,500.

Silverface era: prices are generally 30–60% below blackface for the same model in equivalent condition. Early silverface units with retained AB763 circuit can approach blackface values; later silverface (1972+) trades at the lower end.

Modern reissue and current production amps: priced primarily on retail-replacement-cost and condition; used examples typically trade at 50–70% of new retail.

When to seek a professional appraisal

For amps in the $5,000+ range, or for unusual configurations (factory-spec custom orders, prototypes, signed examples, or pristine early examples), get a written appraisal from a qualified vintage amp technician before buying or insuring. The few hundred dollars an appraisal costs is trivial compared to the cost of a misidentified $8,000 amp.

Dating by model — quick links to detailed guides

Each Fender amp model has its own quirks, transitional years, and circuit revisions. The following guides go deep on the specific identification details, year-by-year variations, original specifications, and current market values for individual models:

• Fender Princeton Reverb dating and identification guide
• Fender Deluxe Reverb dating and identification guide
• Fender Twin Reverb dating and identification guide
• Fender Vibro Champ dating and identification guide
• Fender Super Champ X2 / XD dating guide

Additional model guides covering the Bassman, Champ, Super Reverb, Pro Reverb, Vibrolux Reverb, Showman, Bandmaster, Concert, Harvard, and the tweed series are in production.

Frequently asked questions

How do I date a Fender amp by serial number?

For amps built since 1990, the letter prefix on the QA inspection sticker directly indicates the year (A = 1990, B = 1991, and so on through single letters, then two-letter prefixes from 2001 onward). For amps built before 1990, the serial number alone is not reliable because Fender did not maintain comprehensive amp-serial records. Instead, cross-reference the tube chart date code, transformer date stamps, speaker codes, and cosmetic features to triangulate the production year.

Is there an official Fender serial number lookup tool?

Yes. Fender maintains an official serial number lookup tool that returns a date range based on the serial number you enter. For modern amps (1990+) this is usually accurate to the year; for pre-1990 amps it returns a wider range and should be cross-referenced with the methodology in this guide. The tool does not return circuit information, speaker complement, or value—just a date estimate.

How do I decode a Fender amp serial number with a letter prefix?

Single-letter prefixes from A through K correspond to years 1990 through 2000. Two-letter prefixes from roughly 2001 onward correspond to subsequent years and country-of-origin codes. The most reliable way to decode a two-letter prefix is to use Fender’s official lookup tool, which is updated as the prefix system has expanded. Cross-reference the result against the inspection-sticker date stamp if your amp still has it.

Where were Fender amps made?

The majority of vintage and current high-end Fender amps were and are manufactured in Corona, California, USA. Beginning in the 1990s, Fender expanded production internationally. Hot Rod series amps and some current production lines are built in Ensenada, Mexico. Certain budget models have been produced in China, Indonesia, and Japan over the years. Country of origin affects value, with US-built amps generally commanding premiums over imports of the same model.

Can I date my Fender amp without the serial number or tube chart?

Yes, though less precisely. Transformer date codes, speaker date codes, control panel script, Tolex color and texture, knob style, and circuit layout collectively let an experienced eye place an amp within a one- to two-year window even when both serial number and tube chart are missing or replaced. This is where consulting a qualified amp technician becomes valuable.

My Fender amp has been re-tolexed and has replacement parts. Does that affect dating?

Dating: not directly, as long as the chassis, transformers, and tube chart (if present) are original. Value: significantly. A re-tolexed amp is worth meaningfully less than an original-cosmetic amp of the same era and model. Replacement speakers further reduce value. The amp can still be accurately dated and identified—the date and circuit are functions of the chassis, not the cabinet—but understand that you have a “player-grade” amp rather than a collector-grade one.

Why does the Fender lookup tool give me a year range instead of a specific year?

For pre-1990 amps the underlying records are incomplete or non-existent, so the tool returns a conservative range based on documented serial-number-to-shipping-date correlations from Fender’s surviving paperwork. For modern amps, the range usually narrows to a single year unless your serial number falls near a production transition. To get a more precise date, cross-reference the QA sticker date stamp or the tube chart.

Are silverface Fender amps worth restoring?

For most players, yes. Early silverface amps (1968–1971) with the AB763 circuit are essentially blackface amps in different cosmetics and trade at a discount that makes them excellent value. Later silverface amps with AC568 or related circuit changes benefit from a “blackface conversion” by a qualified technician, which is a reversible modification that improves tone significantly. The investment in cap jobs, tube replacement, and minor circuit adjustments is typically well below the cost of buying a comparable blackface example.

Sources and methodology

Additional sources consulted for this guide:

• John Teagle and John Sprung, Fender Amps: The First Fifty Years (Hal Leonard, 1995)
• Fender Musical Instruments Corporation, official support and service documentation
• Reverb.com completed-sales data for 2024–2026 market value reference
• The Vintage Amp Forum and TDPRI community archives for crowdsourced verification of factory anomalies
• Wayback Machine archives of the original 20th Century Guitar Magazine articles

Where this guide and Fender’s official documentation disagree, we have followed the source that aligns with the broader community consensus and the Gagliano research where it has stood the test of time. Where corrections or updates have superseded the original research—particularly for post-2000 modern amp dating—we have used Fender’s current documentation as primary. Errors of fact in this guide are ours alone, and we welcome corrections from readers with primary documentation.

Related guides

If you found this guide useful, you may also be interested in:

• The complete Fender Princeton Reverb guide — every era, every variant, current market values
• The complete Fender Deluxe Reverb guide — including the ’64, ’65, and ’68 Custom Reissues and the Tone Master
• The complete Fender Twin Reverb guide — blackface, silverface, reissue, and Tone Master coverage
• The complete Fender Vibro Champ guide — including the XD digital modeling variant
• The complete Fender Super Champ X2 guide — current production hybrid amp
• About TCguitar — our mission and the heritage we carry forward
• The Classic American Guitar Show — Long Island’s vintage event archive
• Sources and credits — full bibliography and acknowledgments