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O50JM
Marshall | 50 Watt | Output Transformer
Plexi/JMP Era — Drake 784 139 — 3.3 kΩ primary, 4, 8, & 16 Ω taps
For 2 x EL34’s — bolt hole spacing is 2 1/2″ x 2 1/2″ — replaces original OT !
$271
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O50JM-FS
Marshall | 50 Watt | Output Transformer
Plexi era — FatStack version for added low frequency extension and more clean headroom — Mounting Centers: 2-1/2″ X 3″
$296
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O50JM-MM
Marshall | 50 Watt | Output Transformer
Plexi — for KT88 / 6550 (& 6L6) tubes — 5.9 kΩ primary
Vertical mount, bolt hole spacing is 2 1/2″ x 2 1/2″
$271
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O45RS-L
Marshall | 50 Watt | Output Transformer
Leads (endbells available in most colors, including original vintage)
$333
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O45JT-16
Marshall | 50 Watt | Output Transformer
$309
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O50-PLM
Marshall | 50 Watt | Output Transformer
$303
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O45RS-L-8-M
Marshall | 50 Watt | Output Transformer
3.4K & 6.6K & 8K primary — 8Ω tap
$352
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PARK75-O
Marshall | 50 Watt | Output Transformer
$257
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O45RS-L-16
Marshall | 50 Watt | Output Transformer
3.4k, 6.6k & 8k primary — 16Ω tap
$358
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O45RS-L-16-M
Marshall | 50 Watt | Output Transformer
3.4K & 6.6K primary — 16Ω tap
$352
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MAR-9200-O
Marshall | 50 Watt | Output Transformer
9200 100/100 rack mount power amp OT — use with 5881 or EL34 tubes —
Flat mount w/ lugs — 2 1/2″ x 3 1/8″ mounting centers
$339
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O50JM-M
Marshall | 50 Watt | Output Transformer
Plexi — use in the higher gain amp
$271
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MAR-50-50-O
Marshall | 50 Watt | Output Transformer
50/50 rack mount power amp — Drop-in Upgrade!
$271
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M-JVM205C-O
Marshall | 50 Watt | Output Transformer
50 Watt Combo (or Head) — Drop-in Upgrade! — TXOP 00030 (D5240)
Flat mount w/ lugs — Bolt hole spacing is 2 1/2″ x 3 1/8″
$220
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M-JVM215C-O
Marshall | 50 Watt | Output Transformer
JVM215C Combo — Drop-in Upgrade!
$220
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M-VM2266C-O
Marshall | 50 Watt | Output Transformer
Vintage Modern 2266C — Drop-in Upgrade!
$271
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MAR-50-50-OS
Marshall | 50 Watt | Output Transformer
50/50 rack mount power amp — Drop-in Upgrade!
$290
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MAR-9005-O
Marshall | 50 Watt | Output Transformer
9005 power amp — use with 5881 tubes — Sizes vary – Please contact us before ordering.
$339
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MAR50-VM50-O
Marshall | 50 Watt | Output Transformer
Vintage Modern 50W — Upgrade! Use with two EL34/KT77 type tubes
$233
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MAR50-VM50-OS
Marshall | 50 Watt | Output Transformer
Vintage Modern 50W — Upgrade! Use with two 6L6/5881/KT66/6550/KT88 type tubes
$271
Not finding what you’re looking for? We are constantly adding new products to our catalog – for the most up-to-date information, please email or call us: 818-998-7791.
Mercury offers Transformer Restoration Services for rare and vintage transformers that are failing or underperforming. With our attention to detail you can be assured that your restored vintage transformer will look AND sound exactly as it did. For more info please email or call us: 818-998-7791 for a quote.