How do I connect this t7 device to my vintage receiver using input source from my iPhone?

Using RCA cables, connect the output from the T7 to one of the inputs on your vintage receiver. Turn on the T7 first, then connect to it via Bluetooth from your iPhone. Turn on the vintage receiver and select the input you connected to the T7. You should be able to play music via that connection. The speakers are connected to the vintage receiver. Alternatively, you could also get a headphone jack adapter for the iPhone and connect to the T7 via a 3.5 mm jack to RCA cable on the T7 input. Connect the output on the T7 to the vintage receiver using RCA cables. I recommend the Bluetooth option for a more versatile connection. You can control the volume using both the T7 and the vintage receiver volume knobs. To shut the system down, just reverse the sequence by turning the vintage receiver off first, then the T7.

Can I replace tubes with Jan 5654w?

You can replace to GE5657, GE5670, not suit for GE5654.

Difference between T2 and T7? Which one is better?

The T2 has an added mid-range control. It may or may not make a difference. The T2 uses the 5670 tubes which I find smoother than the 5654 tubes on the T7. Also, replace the op-amps with Sparkos op-amps. I personally think T7 is better.

Is this a match to the Aiyima A07 power amplifier? Is it the same width so I could stack it on top of the A07 amp?

Yes, The T7 is a tube preamplifier that can be used for A07 amplifier, such as the A3 PRO, T8, T10 tube preamplifier.

Are the tubes supposed to get really hot?

Yes, the tubes get hot, but the unit should be cool. So, not sure why but you shouldn't be touching them.

Is there any way to use a subwoofer with this? I'm using an Aiyima A07 amp, but it has no sub out.

No - you’d need to swap the A07 for an amp with a sub-out. Nice little preamp but very basic, it has RCA in and Bluetooth antenna and RCA out - that's all.

This model uses bigger tubes than the $44 model. Does it make a difference in the sound?

Yes, it sounds much better to the ears as it feels much heavier, so there's much more in terms of components internally. When first powering up, they sound about the same. Once those large tubes warm up, it's a whole different story.

Are the op-amp chips in sockets so they can be upgraded? Or are they soldered on the board?

The op-amp chips are in sockets and can easily be pulled out. I tried Burson and Muses chips but the best and most expensive are Sparkos Labs.

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AIYIMA

AIYIMA Tube T7 Audio 6N3 Tube Preamp Bluetooth 5.0 Warm Vacuum Buffer Preamplifier with Treble Bass Tone for Home Theater System

Item #:28850269

4.7 rating

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PKR 30190

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AIYIMA Tube T7 Preamp provides lossless audio with a powerful, dynamic and sweet sound in a solid aluminum alloy shell with treble and bass adjustment, using a 6N3 tube design for easy replacement.

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Features & Benefits

AIYIMA Tube T7 Preamp provides lossless audio
Powerful, dynamic and sweet sound
Solid aluminum alloy shell
Treble and bass adjustment
6N3 tube design for easy replacement
Optimal integrated circuit

Product Description

AIYIMA Tube T7 Audio 6N3 Tube Preamp Bluetooth 5.0 Warm Vacuum Buffer Preamplifier with Treble Bass Tone for Home Theater System

Overview

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Customer Questions & Answers

Question : What input types does the AIYIMA Tube T7 Preamp support?
Answer : The device supports RCA and Bluetooth audio input.
Question : What does the package include?
Answer : The package includes the preamp and a DC12V/1.5A power supply. RCA cables are not included.
Question : Can I use a power supply exceeding 12V?
Answer : No, it is recommended to not use a power supply exceeding 12V.
Question : How do I connect this t7 device to my vintage receiver using input source from my iPhone?
Answer : Using RCA cables, connect the output from the T7 to one of the inputs on your vintage receiver. Turn on the T7 first, then connect to it via Bluetooth from your iPhone. Turn on the vintage receiver and select the input you connected to the T7. You should be able to play music via that connection. The speakers are connected to the vintage receiver. Alternatively, you could also get a headphone jack adapter for the iPhone and connect to the T7 via a 3.5 mm jack to RCA cable on the T7 input. Connect the output on the T7 to the vintage receiver using RCA cables. I recommend the Bluetooth option for a more versatile connection. You can control the volume using both the T7 and the vintage receiver volume knobs. To shut the system down, just reverse the sequence by turning the vintage receiver off first, then the T7.
Question : Can I replace tubes with Jan 5654w?
Answer : You can replace to GE5657, GE5670, not suit for GE5654.
Question : Can the sound from my iPhone Bluetooth come out of the RCA out connected to my old Yamaha receiver rx-z9?
Answer : Yes.
Question : Difference between T2 and T7? Which one is better?
Answer : The T2 has an added mid-range control. It may or may not make a difference. The T2 uses the 5670 tubes which I find smoother than the 5654 tubes on the T7. Also, replace the op-amps with Sparkos op-amps. I personally think T7 is better.
Question : Is this a match to the Aiyima A07 power amplifier? Is it the same width so I could stack it on top of the A07 amp?
Answer : Yes, The T7 is a tube preamplifier that can be used for A07 amplifier, such as the A3 PRO, T8, T10 tube preamplifier.
Question : Are the tubes supposed to get really hot?
Answer : Yes, the tubes get hot, but the unit should be cool. So, not sure why but you shouldn't be touching them.
Question : Did anyone use a 12b4a tube in this preamp?
Answer : Yes.
Question : Is there any way to use a subwoofer with this? I'm using an Aiyima A07 amp, but it has no sub out.
Answer : No - you’d need to swap the A07 for an amp with a sub-out. Nice little preamp but very basic, it has RCA in and Bluetooth antenna and RCA out - that's all.
Question : This model uses bigger tubes than the $44 model. Does it make a difference in the sound?
Answer : Yes, it sounds much better to the ears as it feels much heavier, so there's much more in terms of components internally. When first powering up, they sound about the same. Once those large tubes warm up, it's a whole different story.
Question : Are the op-amp chips in sockets so they can be upgraded? Or are they soldered on the board?
Answer : The op-amp chips are in sockets and can easily be pulled out. I tried Burson and Muses chips but the best and most expensive are Sparkos Labs.

Customer Ratings

4.7 out of 5

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AIYIMA Tube T7 Audio 6N3 Tube Preamp Bluetooth 5.0 Warm Vacuum Buffer Preamplifier with Treble Bass Tone for Home Theater System

The AIYIMA Tube T7 Audio 6N3 Tube Preamp is a versatile and affordable option for enhancing your audio experience. It can be easily connected to vintage receivers or the Aiyima A07 power amplifier, providing warmer and fuller sound. The T7 supports Bluetooth 5.0 for wireless connectivity, but the Bluetooth connection may be unreliable at longer distances. The preamp features an antique look with exposed fuses, adding a nice aesthetic touch. The tubes get hot during use, but this is normal for vacuum tubes. Overall, the T7 offers great value for the price, especially when paired with the right components.

Pros

Affordable
Enhances sound quality
Versatile connectivity options
Antique look with exposed fuses
Tubes provide warm and full sound

Cons

Unreliable Bluetooth connection at longer distances
Tubes get hot during use

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AIYIMA Tube T7 Audio 6N3 Tube Preamp Bluetooth 5.0 Warm Vacuum Buffer Preamplifier with Treble Bass Tone for Home Theater System

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