The VTL TL 7.5 Series III Reference Preamplifier stands as a pinnacle of audio engineering, designed to bring you closer to the heart of your music. This flagship preamplifier from VTL employs a sophisticated dual-chassis architecture, completely isolating the sensitive audio circuits in one unit from the power supply and control functions in another. This innovative “clean box/dirty box” approach virtually eliminates noise, resulting in an exceptionally “black” background against which music emerges with stunning clarity.

At its core, the Series III utilizes a hybrid design, combining vacuum tubes (12AU7) in the gain stage for their natural warmth and linearity with a high-current output buffer for effortless dynamics. Its fully balanced, zero global negative feedback circuit ensures unparalleled signal purity and dynamic resolution. You’ll experience immense dynamic range, breathtaking detail, and a vast, holographic soundstage where every instrument is precisely placed.

With a high-resolution, 95-step volume control, comprehensive balanced and single-ended connectivity, and an advanced power supply, the TL 7.5 Series III delivers a coherent, integrated, and profoundly transparent sonic performance. It’s more than a preamplifier; it’s a testament to VTL’s commitment to recreating the live musical event in your listening room.

- Isolated Control Unit chassis with 12 separate fully regulated power supplies
- Separate Audio Unit chassis with zero internal digital activity and isolated from AC and power supply noise

Audio unit features
- Fully balanced differential circuit with balanced in and out, and mirror-image layout
- Simple 2-stage circuit topology with differential gain stage and output buffers for musical purity and integrity
- Ultra low impedance output stage to drive any length of cable and any power amplifier/paralleled amplifier/subwoofer load
- 30 microfarad output capacitors for vastly improved bass control
- Tube complement: 2 – 12AU7 tubes
- Gain switching between normal gain and low gain with 6dB gain reduction
- Single fully balanced differential 95-step 70dB discrete resistor relay attenuator for all attenuation functions, using low signal instrumentation ruthenium relays for greatest resolution
- Microphonically damped tube gain stage for greater vibration noise elimination

Control power supply unit features
- Ramped B+ filament soft-start power up for extended tube life
- Huge energy storage power supply for elimination of AC fluctuation and noise rejection
- Low noise processor control design for all functions

User interface features
- Processor loop – any of 8 inputs can be assigned as fixed unity gain pass through
- Tape monitor function for both tape loops
- 4 separately programmable trigger outputs
- Bi-directional RS-232 interface
- Programmable input offsets
- Selectable padded inputs
- Rigid Combination steel and non-magnetic chassis and machined aluminum remote wand
- Factory upgradeable from Series I and Series II

Audio unit features
- New FET device output stage for more tube-like sound and simpler circuit
- New device in the gain stage current source for improved musicality and better single-ended operation
- Zero Global NFB for vastly improved faster dynamic and tonal resolution, and unconditionally stable circuit, without any phase shift.
- All audiophile grade Mundorf capacitors in signal path with bypass system for improved HF resolution

Control power supply unit features
- Vastly improved lower impact and greater precision-regulated current-sourced shunt power supply
- Teflon power supply bypass caps for improved top end

Vacuum Tube Complement: 2 x 12AU7
Inputs: 4 pairs balanced/XLR or RCA single-ended, 4 pairs single-ended/RCA
Outputs 2 pair balanced out, 2 pairs single-ended RCA out, 2 pairs single-ended RCA buffered Tape Out
Remote control functions: Power, Source Select, Volume up/down, Mute, Fade, Balance Control, Phase Reverse
Gain: Balanced in and Balanced out: 19.2 dB, Single-ended in and Balanced out: 19.2 dB
Balanced in and Single-ended out: 13.2 dB, Single-ended in and Single-ended out: 13.2 dB
Output impedance: 25Ω, Max 150Ω @ 10Hz
Input impedance: 50kΩ, 20kΩ min
Frequency Response: +0 -1 dB 1Hz – 100kHz (20Hz – 100kHz +0 –1dB into 600Ω with 900pF 20’ interconnect cable)
Maximum Output Voltage <1% thd: 30V into 10kΩ or above (10Hz – 200kHz +/-1dB) 10V into 600Ω
Channel separation: >100dB @ 1kHz (>80dB @ 20kHz)
Power consumption: 150W
Dimensions W x D x H:
Control chassis – 17.5 x 17.5 x 4 inches (44.5 x 44.5 x 10.2 cm)
Audio chassis – 17.5 x 17.5 x 6 inches (44.5 x 44.5 x 15.3 cm)
Weight: 90 lbs (40.82 Kg) Fully packed in two boxes
Unpacked weight: Audio Unit – 38lbs (17.24Kg), Control Unit – 32lbs (14.50Kg)

Orders ship Sunday through Friday from our offices in Dubai, UAE.

In-stock products typically ship within 48 hours and should be expected to arrive in 3-4 business days. Orders outside of the UAE should be expected to arrive in 5-7 business days.

Pre-order and backorder products will state the approximate delivery timeline beside the Add To Cart button.

If you would like to place a custom order, chat with our specialists for a guided shopping experience. Once your order has been placed, a timeline will be provided depending on your order details.

- Free delivery within the UAE
- Shipping charges will be calculated upon checkout for orders outside of the UAE (Bahrain, Oman, Kuwait, Saudi Arabia & Qatar).
- Taxes and duties are calculated according to the applicable laws of the state or country an item is shipped to and are the customer's responsibility.

For additional information on shipping and our exchange & return policy visit our help center.

Installation charges are applicable and can be paid upon delivery for our clients based in Dubai.

- Installation Charges: AED 450 Per Hour
- Speaker Cables: AED 32 Per Meter
- Trunking: AED 10 Per Meter

For clients based outside of the UAE, please contact our specialists and we will share an estimate based on your requirements.