API Audio TranZformer GTR
Professional music gear - detailed information and where to buy
API Audio
TranZformer GTR
Product Info
Article Number:
600434
Brand:
API Audio
Model:
TranZformer GTR
Category:
Equalizer Pedals
Price:
$394.90
* Prices may vary. Check retailer for current pricing and availability.
The TranZformer GTR is a cool little box for guitarists wanting that API sonic signature. It's not a full-blown EQ, but the fixed frequencies and transformer give a sweet, focused boost and grit—ideal for players seeking a vintage-flavored drive or subtle tonal shaping without overwhelming complexity. It's a great addition to a pedalboard needing a touch of API mojo.
Product Description
- API Audio TranZformer GTR
- Effect Pedal for Electric Guitar
- 3-Band EQ
- 3 Fixed frequencies: 200 Hz / 1.5 kHz / 5 kHz with +/- 15dB adjustable gain
- Switchable gain level from clean boost to overdrive
- Buffered Bypass
- -20 dB Pad for output
- Selectable peak/shelf for the upper frequency range
- OpAmp API 2510
- OpAmp overdrive circuit
- API transformer output
- Max. 40 dB Gain
- Power supply via external power supply unit 9 - 18V DC / 100mA
- connection 2.1 x 5.5 mm (not included)
- 1 Hi-Z instrument input 6.3 mm unbalanced
- 1 Unbalanced output: 6.3 mm
- Dimensions (W x L x H): approx. 11.68 x 9.65 x 7.6 cm
- Weight: 0.68 kg
PROS
- • API 2510 OpAmp delivers characteristic API warmth and punch.
- • Transformer output adds desirable harmonic richness and output drive.
- • Fixed frequencies offer targeted EQ shaping for common guitar tones.
- • Buffered bypass preserves signal integrity and eliminates pickup noise.
CONS
- • Limited 3-band EQ restricts complex tonal sculpting options.
- • Fixed frequencies may not suit all playing styles or guitars.
- • Relatively premium-priced compared to simpler EQ pedals.
Key Features
EQ Type
3-Band Fixed Frequency
Bands
3
Controls
3 EQ bands (200Hz, 1.5kHz, 5kHz) with +/- 15dB gain, Gain Level Switch
Bypass Type
Buffered Bypass
Power Supply
9-18V DC, 100mA (external power supply not included)
Dimensions
11.68 x 9.65 x 7.6 cm
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Frequently Asked Questions
The transformer adds a characteristic harmonic richness and a subtle compression, creating a more 'finished' and slightly warmer tone than a purely digital EQ.
While it accepts 9-18V, using a higher voltage (12V-18V) can further saturate the output stage and increase the drive characteristics, but a standard 9V will still function correctly.
No, the fixed frequencies limit versatility; it’s best for targeted tonal adjustments rather than broad EQ sculpting.
